RFR: 8318227: RISC-V: C2 ConvHF2F [v2]

[Quan Anh Mai]

On Mon, 27 Nov 2023 13:23:52 GMT, Hamlin Li <mli at openjdk.org> wrote:

>> https://github.com/openjdk/jdk/blob/6aa197667ad05bd93adf3afc7b06adbfb2b18a22/src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp#L4307
>> 
>> Note that the stub will still reside in the code section of the current method, is a trampoline needed in that case?
>
> Thanks for pointing to the location!
> 
> It DOES bring better performance. Please check the pr description for detailed data.

Thanks, it generally looks good, but I'm not familiar with RISC-V assembly so I will leave the approval for the others.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16802#discussion_r1407783405